Be passionate and drink a cup of brilliance.The glass is a transparent and transparent glass, and it is a transparent glass filled with liquid (water, drink, beer, etc.), which is suitable for celebration, parties, bars, gifts and so on.Features: whether it's a bar, a ballroom, a dinner party, or a romantic candlelight dinner, your hands are full of dazzling colored lights. When the beverage in the cup, also glows with the dazzling color light, it is a kind of glamour and mystery, even fresh stimulate feeling!Detailed explanation: ordinary cup has no characteristic, without passion, we this cup built-in color light module, very gorgeous and dazzling; The drinks in the glass are more dreamy and intoxicated because of the light. Adopt the original water light mode!Applicable substances: generally used in various kinds of liquor, such as beer, white wine, red wine, wine, yellow wine, rice wine and so on, Coke, Sprite and other carbonated drinks, if it is clear water, pure water and other reactions will be slow oh!Material: food grade PP.Capacity: 200 mlApplicable scope: bar, disco, special restaurant, leisure, party, date, friend gift, New Year, wedding, Halloween, Christmas, valentine's day, etc.Flash mode: water sensing.Flash mode: colorful.Battery power: built-in 2 x button battery (including)and they can be replaced.Battery changes methods: card with a coin in the middle of the bottom groove in the direction shown by the arrow, can be opened, the small iron uncovered a few poured out old batteries, battery into the new battery cover tightly CARDS can be simple! Batteries are available in supermarkets.Note: water sensitive cup, need to add water to be bright oh, no water will not be bright.